Download Vocational Preparatory Instruction (VPI)

Subskill #
Sequence and Unknowns II
For questions 1 through 7, use the pattern to determine what the next number
should be.
1. 13, 15, 17, 19, __
A. 20
B. 23
C. 22
D. 21
4. g, h, j, m, __
A. p
B. q
C. o
D. s
2. 106, 99, 92, 85, __
A. 83
B. 77
C. 79
D. 78
5. 12, 7,
A.
B.
C.
D.
3, 0, __
0
–3
–1
–2
3. 86, 81, 75, 68, __
A. 59
B. 60
C. 61
D. 62
6. 8, 11,
A.
B.
C.
D.
9, 12, 10, 13, __
16
12
11
14
7. 4, 2, 6, 4, 12, __
A. 10
B. 14
C. 36
D. 16
For questions 8 and 9, use the tables to determine the next numbers.
8.
9.
-1
5
A.
B.
C.
D.
-3
3
–8,
–9,
–9,
–8,
-5
1
-7
-1
?
?
-3
-2
-3
-2
8
4
-16
-4
A.
B.
C.
D.
32
16
-64
-32
?
?
–128, -64
128, 64
–128, 64
128, -64
For number 10, which equation describes the relationship between x and y?
10.
x
y
0
-1
1
2
A.
B.
C.
D.
y
y
y
y
x+3
3x – 1
x+5
2x
=
=
=
=
2
5
3
8
4
11
Vocational Preparatory Instruction
Mathematics
Subskill #
Sequence and Unknowns II
The following table represents the cost of a telephone call from Florida to
Bermuda. Use the table to answer questions 11 and 12.
Minutes
5
6
7
8
9
11.
12.
How much would a 10-minute call
cost?
A. $6.00
B. $6.75
C. $6.25
D. $7.00
$
3.00
3.75
4.50
5.25
6.00
13.
Using the following equation, what
would the next two numbers be?
y = x2 - 4
How much would a 15-minute call
cost?
A. $8.25
B. $10.75
C. $9.25
D. $10.50
x
y
-5
21
-3
5
A.
B.
C.
D.
–3, -5
–3, 5
3, -5
3, 5
-1
-3
1
-4
?
?
For questions 14 through 16, choose the equation that means the same as the
underlined sentence.
14.
A number decreased by 3 is equal to
12.
A. 3 + x = 12
B. x – 3 = 12
C. 3x = 12
D. x/3 = 12
15.
A number times 12 is greater than
24.
A. 12a < 24
B. 12 – a < 24
C. 12 + a > 24
D. 12a > 24
Vocational Preparatory Instruction
16.
Interest is equal to the principal
multiplied by the rate multiplied by
the time in years.
A. I = P + R + T
B. I = PRT
C. I = PR + T
D. I = PT + R
Mathematics
Subskill #
Sequence and Unknowns II
Answer Key
1.
D
2.
D
3.
B
4.
B
5.
D
6.
C
7.
A
8.
C
9.
B
10.
B
11.
B
12.
D
13.
D
14.
B
15.
D
16.
B
Vocational Preparatory Instruction
Mathematics